From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 29 Sep 2006 08:59:04 +0000 (-0700)
Subject: [PATCH] remove unnecessary barrier in rtc_get_rtc_time
X-Git-Tag: v2.6.19-rc1~830
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=358333a0cb4a6d279806e38d0368b79066dbe5e7;p=linux-2.6

[PATCH] remove unnecessary barrier in rtc_get_rtc_time

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index ab6429b4a8..656f8c0ca5 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -1262,10 +1262,8 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	 * Once the read clears, read the RTC time (again via ioctl). Easy.
 	 */
 
-	while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100) {
-		barrier();
+	while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100)
 		cpu_relax();
-	}
 
 	/*
 	 * Only the values that we read from the RTC are set. We leave